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Synthesis and characterization of the novel antiferromagnet LaNiB3O7

Author(s): Powderly, Kelly M; Guo, Shu; Stolze, Karoline; Carnicom, Elizabeth M; Cava, Robert J

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Abstract: We present the synthesis, structure, and magnetic properties of the novel borate LaNiB3O7 – the first magnetically ordered compound reported in the CaAlB3O7 structure type. This material is made of alternating sheets of corner-sharing borate tetrahedra and planes of La and Ni ions, with distorted nickel oxide [NiO6] octahedra and lanthanum oxide [LaO10] polyhedra. Temperature-dependent magnetic susceptibility data reveal dominantly antiferromagnetic interactions and an antiferromagnetic transition with a Néel temperature of 19 K, confirmed by specific heat data. The magnetic moment per nickel ion is 3.06 μB. This compound uncovers a new family of rare-earth transition-metal borates to probe for magnetic interactions.
Publication Date: 5-Feb-2019
Citation: Powderly, Kelly M, Guo, Shu, Stolze, Karoline, Carnicom, Elizabeth M, Cava, RJ. (2019). Synthesis and characterization of the novel antiferromagnet LaNiB3O7. Journal of Solid State Chemistry, 272 (113 - 117. doi:10.1016/j.jssc.2019.02.008
DOI: doi:10.1016/j.jssc.2019.02.008
ISSN: 0022-4596
Pages: 113 - 117
Language: en
Type of Material: Journal Article
Journal/Proceeding Title: Journal of Solid State Chemistry
Version: Author's manuscript



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